var contentElement = document.createElement('span'); contentElement.id = 'mostpopularkeywords'; contentElement.innerHTML = '
Mouse, Therapy, Software, Diagnostic, Antiviral, Ophthalmology, Research Tool, Neurological, Cancer, Oncology
'; var scriptElement = document.getElementById('scriptmostpopularkeywords'); scriptElement.parentNode.insertBefore(contentElement, scriptElement);